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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Menglei Zhang

Bib: 10204 •M •Age: N/A

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 36%
Gender (Male)
#0 / 16340
Top 49%
Masters (Masters Men)
#0 / 10617
Top 38%
Age Group (M50-54)
#0 / 1868
Top 39%
Race Day Weather
51°/41°F
overcast clouds
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Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
20:43
3.11 mi
Rank: #5613
Start → 5K
20:43 | 6:41/mi
10K
41:26
6.21 mi
Rank: #5587 (+26)
5K → 10K
20:43 | 6:41/mi
15K
1:02:28
9.32 mi
Rank: #5856 (-269)
10K → 15K
21:02 | 6:47/mi
20K
1:24:34
12.43 mi
Rank: #6663 (-807)
15K → 20K
22:06 | 7:07/mi
HALF
1:29:28
13.11 mi
Rank: #6911 (-248)
20K → HALF
4:54 | 7:12/mi
25K
1:47:34
15.53 mi
Rank: #7593 (-682)
HALF → 25K
18:06 | 7:28/mi
30K
2:13:13
18.64 mi
Rank: #8812 (-1219)
25K → 30K
25:39 | 8:16/mi
20M
2:24:45
20.00 mi
Rank: #9341 (-529)
30K → 20M
11:32 | 8:30/mi
21M
2:33:46
21.00 mi
Rank: #9716 (-375)
20M → 21M
9:01 | 9:01/mi
35K
2:39:47
21.75 mi
Rank: #9876 (-160)
21M → 35K
6:01 | 8:03/mi
23M
2:50:05
23.00 mi
Rank: #10127 (-251)
35K → 23M
10:18 | 8:14/mi
24M
2:58:14
24.00 mi
Rank: #10349 (-222)
23M → 24M
8:09 | 8:09/mi
40K
3:04:54
24.85 mi
Rank: #10352 (-3)
24M → 40K
6:40 | 7:48/mi
25.2M
3:07:55
25.20 mi
Rank: #10396 (-44)
40K → 25.2M
3:01 | 8:45/mi
FINISH
3:15:49
26.22 mi
Rank: #10489 (-93)
25.2M → FINISH
7:54 | 7:46/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:29:28
Pace6:50 /mi
2nd Half
Distance13.11 mi
Time1:46:21
Pace8:07 /mi
📊Positive Split: 18.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:37:3420:436:4120:43
6:41
-
10K
6.21 mi10:58:1741:266:4120:43
6:41
0:00
15K
9.32 mi11:19:191:02:286:4321:02
6:47
+0:06
20K
12.43 mi11:41:251:24:346:4922:06
7:07
+0:20
HALF
13.11 mi11:46:191:29:286:504:54
7:12
+0:05
25K
15.53 mi12:04:251:47:346:5618:06
7:28
+0:16
30K
18.64 mi12:30:042:13:137:0925:39
8:16
+0:48
20M
20.00 mi12:41:362:24:457:1511:32
8:30
+0:14
21M
21.00 mi12:50:372:33:467:209:01
9:01
+0:31
35K
21.75 mi12:56:382:39:477:216:01
8:03
-0:58
23M
23.00 mi13:06:562:50:057:2410:18
8:14
+0:11
24M
24.00 mi13:15:052:58:147:268:09
8:09
-0:05
40K
24.85 mi13:21:453:04:547:276:40
7:48
-0:21
25.2M
25.20 mi13:24:463:07:557:283:01
8:45
+0:57
FINISH
26.22 mi13:32:403:15:497:297:54
7:46
-0:59

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

6:41 /mi

Average Pace

7:28 /mi

Slowest Pace

9:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

1:29:28

46% of race

Time at Steady Pace

46:50

24% of race

Time at Slower Pace

59:31

30% of race

Average Pace: 7:28 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:37:3420:436:4120:43
6:41
#5613
10K
6.21 mi10:58:1741:266:4120:43
6:41
#5587
15K
9.32 mi11:19:191:02:286:4321:02
6:47
#5856
20K
12.43 mi11:41:251:24:346:4922:06
7:07
#6663
HALF
13.11 mi11:46:191:29:286:504:54
7:12
#6911
25K
15.53 mi12:04:251:47:346:5618:06
7:28
#7593
30K
18.64 mi12:30:042:13:137:0925:39
8:16
#8812
20M
20.00 mi12:41:362:24:457:1511:32
8:30
#9341
21M
21.00 mi12:50:372:33:467:209:01
9:01
#9716
35K
21.75 mi12:56:382:39:477:216:01
8:03
#9876
23M
23.00 mi13:06:562:50:057:2410:18
8:14
#10127
24M
24.00 mi13:15:052:58:147:268:09
8:09
#10349
40K
24.85 mi13:21:453:04:547:276:40
7:48
#10352
25.2M
25.20 mi13:24:463:07:557:283:01
8:45
#10396
FINISH
26.22 mi13:32:403:15:497:297:54
7:46
#10489
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi5613517451746541(Top 23%)5847(Top 36%)5847(Top 313%)
10K6.21 mi3.10 mi5587+265155+195155+195667(Top 20%)5206(Top 32%)5206(Top 279%)
15K9.32 mi3.11 mi5856-2695369-2145369-2146541(Top 23%)5847(Top 36%)5847(Top 313%)
20K12.43 mi3.11 mi6663-8075947-5785947-5788682(Top 30%)7236(Top 44%)7236(Top 387%)
HALF13.11 mi0.68 mi6911-2486126-1796126-17910157(Top 35%)8052(Top 49%)8052(Top 431%)
25K15.53 mi2.42 mi7593-6826590-4646590-46411105(Top 38%)8376(Top 51%)8376(Top 448%)
30K18.64 mi3.11 mi8812-12197314-7247314-72415286(Top 53%)10094(Top 62%)10094(Top 540%)
20M20.00 mi1.36 mi9341-5297568-2547568-25416115(Top 56%)10341(Top 63%)10341(Top 554%)
21M21.00 mi1.00 mi9716-3757742-1747742-17416181(Top 56%)10326(Top 63%)10326(Top 553%)
35K21.75 mi0.75 mi9876-1607812-707812-7014711(Top 51%)9621(Top 59%)9621(Top 515%)
23M23.00 mi1.25 mi10127-2517884-727884-7213969(Top 48%)9222(Top 56%)9222(Top 494%)
24M24.00 mi1.00 mi10349-2227971-877971-8714717(Top 51%)9476(Top 58%)9476(Top 507%)
40K24.85 mi0.85 mi10352-37950+217950+2110978(Top 38%)7689(Top 47%)7689(Top 412%)
25.2M25.20 mi0.35 mi10396-447961-117961-1113108(Top 45%)8616(Top 53%)8616(Top 461%)
FINISH26.22 mi1.02 mi10489-937993-327993-3213368(Top 46%)8726(Top 53%)8726(Top 467%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 23%
×21
+97ft-345ft

Overall

6541

Males

5847

M50-54

5847

5K→10K

3.1 - 6.2 mi

Top 20%
×5
+79ft-138ft

Overall

5667

Males

5206

M50-54

5206

10K→15K

6.2 - 9.3 mi

Top 23%
×3
+67ft-78ft

Overall

6541

Males

5847

M50-54

5847

15K→20K

9.3 - 12.4 mi

Top 30%
×5
+106ft-86ft

Overall

8682

Males

7236

M50-54

7236

20K→HALF

12.4 - 13.1 mi

Top 35%
×2
+19ft-37ft

Overall

10157

Males

8052

M50-54

8052

HALF→25K

13.1 - 15.5 mi

Top 38%
×4
+66ft-88ft

Overall

11105

Males

8376

M50-54

8376

25K→30K

15.5 - 18.6 mi

Top 53%
×9
+181ft-148ft

Overall

15286

Males

10094

M50-54

10094

30K→20M

18.6 - 20.0 mi

Top 56%
×5
+64ft-50ft

Overall

16115

Males

10341

M50-54

10341

20M→21M

20.0 - 21.0 mi

Top 56%
×8
+106ft-24ft

Overall

16181

Males

10326

M50-54

10326

21M→35K

21.0 - 21.8 mi

Top 51%
×7
+17ft-86ft

Overall

14711

Males

9621

M50-54

9621

35K→23M

21.8 - 23.0 mi

Top 48%
×5
+23ft-63ft

Overall

13969

Males

9222

M50-54

9222

23M→24M

23.0 - 24.0 mi

Top 51%
×6
+12ft-82ft

Overall

14717

Males

9476

M50-54

9476

24M→40K

24.0 - 24.9 mi

Top 38%
×1
+6ft-20ft

Overall

10978

Males

7689

M50-54

7689

40K→25.2M

24.9 - 25.2 mi

Top 45%
×1
+13ft-16ft

Overall

13108

Males

8616

M50-54

8616

25.2M→FINISH

25.2 - 26.2 mi

Top 46%
×2
+22ft-21ft

Overall

13368

Males

8726

M50-54

8726

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
621*
Passed By
2438
Net Change
-4876
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5613
5K → 10K204*178+26#5613#5587
10K → 15K49200-269#5587#5856
15K → 20K39200-807#5856#6663
20K → HALF2200-248#6663#6911
HALF → 25K22200-682#6911#7593
25K → 30K17200-1219#7593#8812
30K → 20M22200-529#8812#9341
20M → 21M14200-375#9341#9716
21M → 35K26186-160#9716#9876
35K → 23M58200-251#9876#10127
23M → 24M34200-222#10127#10349
24M → 40K6972-3#10349#10352
40K → 25.2M2165-44#10352#10396
25.2M → FINISH44137-93#10396#10489
TOTALS621*2438-4876

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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